We are Dongying Haixin Petroleum Equipment Co., based in , China. We are member of TradeKey.com since April, 2014. Our business is related to Industrial Machinery industry and we specifically deal in drill rig, workover rig, pumping unit, mud pumps, drilling tools. Please find our product details below: Drill pipe Our company specializes in producing and selling the API Standard drill pipe. The OD ranges from 2 3/8"to 5 1/2"and steel grade from E75 to S135. It&＃39;s mainly used in oil and gas explo... Heavy Weight Drill pipe Specifications our heavy weight drill pipe is as the best price and good quality, and its body pipe is from ... Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.